JPS5832581A - Welding machine using shielding gas - Google Patents

Welding machine using shielding gas

Info

Publication number
JPS5832581A
JPS5832581A JP12977481A JP12977481A JPS5832581A JP S5832581 A JPS5832581 A JP S5832581A JP 12977481 A JP12977481 A JP 12977481A JP 12977481 A JP12977481 A JP 12977481A JP S5832581 A JPS5832581 A JP S5832581A
Authority
JP
Japan
Prior art keywords
space
shielding gas
welding
shield
gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP12977481A
Other languages
Japanese (ja)
Other versions
JPH038871B2 (en
Inventor
Yoshiteru Kondo
吉輝 近藤
Ryosuke Ishikawa
石川 良介
Nobuyasu Yamada
山田 庸康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
POTSUPURIBETSUTO FASTENER KK
Nissan Motor Co Ltd
Original Assignee
POTSUPURIBETSUTO FASTENER KK
Nissan Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by POTSUPURIBETSUTO FASTENER KK, Nissan Motor Co Ltd filed Critical POTSUPURIBETSUTO FASTENER KK
Priority to JP12977481A priority Critical patent/JPS5832581A/en
Publication of JPS5832581A publication Critical patent/JPS5832581A/en
Publication of JPH038871B2 publication Critical patent/JPH038871B2/ja
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/20Stud welding
    • B23K9/201Stud welding of the extremity of a small piece on a great or large basis

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding In General (AREA)

Abstract

PURPOSE:To eliminate sticking of spatters by preventing of leakage of a shielding gas in an inner side by the shielding gas on an outer side and to perform welding satisfactorily and surely by providing the 2nd space on the outside circumference around welding members and introducing the shielding gases separately. CONSTITUTION:A flush shield 5 enclosing the weld zone of base materials 4 is dually constructed of an inner side 6 and an outer side 12, whereby the 1st space 7 and the 2nd space 13 are formed. Respectively separate supplying passages 8, 14 for shielding gases are provided, and a control means 20 for supplying the shielding gas into the 2nd space 13 after filling the same in the 1st space 7 and performing welding between the spaces is provided. Then, the shielding gas supplied into the 2nd space 13 on the outer side decreases the leakage of the shielding gas in the 1st space 7.

Description

【発明の詳細な説明】 ス雰囲気で覆って被溶接部材を母材に溶接する、シール
ドガスを用いる溶接機に関する。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a welding machine that uses shield gas to weld a member to be welded to a base metal in a gas atmosphere.

スタツド等の被溶接部材を母材に溶接する場合、その溶
接部をフルがンガス等の不活性ガスて覆って作業を行な
う一とは、巷開昭slI−isθ3I1.1号公報等に
よ)知られている,このようにシールドガス雰囲気中で
溶接を行なうと、溶接スノ臂ツタが減少し、溶接フイレ
ツシ部が均一化するので好ましいものである。
When welding parts to be welded, such as studs, to the base metal, the welding part is covered with an inert gas such as full gas (according to Hakaisho slI-isθ3I1.1, etc.) It is known that performing welding in a shielding gas atmosphere as described above is preferable because it reduces weld burrs and makes the weld fillet uniform.

しかしながら、この従来の方法では、ガスを封じ込める
7ラツシユシールドと母材との接触面において、ζζか
らのシールドガスの漏れが大きくこのため該部分での母
材への溶接スノ脅ツタの付着を避けることができなかつ
え.そζでシールドガスを多くして接触面にも十分なシ
ールドガス雰囲気を作ることが行なわれ九が、ガス流が
強く溶接時のアーク炎が乱れて溶接が不安定になったシ
、更に溶mができない場合もあった。
However, in this conventional method, there is a large leakage of shielding gas from ζζ at the contact surface between the base metal and the 7 lash shield that confines the gas, which poses a risk of welding spores adhering to the base metal at this point. It cannot be avoided. Therefore, the amount of shielding gas was increased to create a sufficient shielding gas atmosphere on the contact surfaces.However, the gas flow was strong and the arc flame during welding was disturbed, making welding unstable, and the melting There were times when I couldn't do m.

従って、本発明の目的は、フラッシュシールドと母材と
の接触面における溶接スパッタの付着のないしかも安定
した良好な溶接を得る、シールドガスを用いる溶接機を
得ることKある。
Accordingly, an object of the present invention is to provide a welding machine using shielding gas that can achieve stable and good welding without adhesion of welding spatter on the contact surface between the flash shield and the base metal.

かかる目的を達成するため、本発明は、溶接部を囲むフ
ラッシュシールドを内側と外側の二重構造として第1空
間と第コ空間を形成するとともKそれぞれ各別のシール
ドガス供給通路を設け、第1空間にシールドガスを充満
させた後、第コ空間にシールドガスを供給し、この間に
溶接を行なう制御手段を備えた構成とすることにょ)、
外側の第2空間に供給されたシールドガスが、内側の第
1空間におけるシールドガスの漏れを減少させ、内側の
7ラツシユシールドと母材との接触面もシールドガス雰
囲気中にあるのでこの部分でのスパッタの付着がなくな
シ、金属ス/皆ツタの酸化もないので良好で確実な溶!
!が行なわれる。勿論溶接時におけるシールドガスの漏
れ一少ない仁とからガス流によるアーク炎の乱れも少な
いので溶接不良が減少する。
In order to achieve such an object, the present invention has a flash shield surrounding a welded portion having a dual structure of an inner and outer part to form a first space and a second space, and a separate shield gas supply passage is provided for each. After the first space is filled with shielding gas, the shielding gas is supplied to the second space, and the welding is performed during this time.
The shielding gas supplied to the outer second space reduces the leakage of the shielding gas in the inner first space, and the contact surface between the inner 7 lash shield and the base material is also in the shielding gas atmosphere, so this part There is no adhesion of spatter, and there is no oxidation of metal stains/vines, so it is good and reliable melting!
! will be carried out. Of course, since there is less shielding gas leakage during welding, there is less disturbance of the arc flame due to the gas flow, so welding defects are reduced.

以下、本発明の実施例について図面を参照しながら説明
する。溶接機のコレット1にはその先端に被溶接部材と
なるT形スタッド2が保持され、スタッド2の先端がス
トップピン3の助力の下テ母材4に押しつけられている
。フレット1の先端の周囲には、フラッシュシールド5
がコレラ)1を囲むように設けられている。
Embodiments of the present invention will be described below with reference to the drawings. A collet 1 of a welding machine holds a T-shaped stud 2, which is a workpiece to be welded, at its tip, and the tip of the stud 2 is pressed against a base material 4 with the help of a stop pin 3. There is a flash shield 5 around the tip of fret 1.
cholera) 1.

この7テツシユシールド5は内側と外側の二重構造にさ
れている。内側フラッシュシールド6#′i、コレラ)
1の先端部分にスタッド2を囲み母材4の溶接部を囲ん
でその先端が母材4に接触しており、その内側に第1空
間7を形成している。この内側フラッシュシールド6の
上方にはシールドガス供給通路としてのニップル8が設
けられている。
This seven-tissue shield 5 has a double structure of an inner and outer side. Inner flash shield 6#'i, cholera)
The tip of the stud 2 surrounds the welded portion of the base material 4, and the tip thereof contacts the base material 4, and a first space 7 is formed inside the stud 2. A nipple 8 is provided above the inner flash shield 6 as a shield gas supply passage.

このニラグル8#i制御手段20に接続されておシ、制
御弁■1 を介して高圧ガス源GS1に接続されて第1
空間7内にシールドガスが供給される。このッーヤ)、
、1アルレ、□、□い。7あるが、炭酸ガス(CO2)
であってもよく、またアルがンガスと炭酸ガスの混合体
であってもよい、内側フラッシュシールド6の上部とコ
レットlとの間にはシール9が設けられており1シール
ドfスの上方への漏れを防いで%AIs @’ t f
cフラッシュシールド6の母材4と接する先端には切込
+10が数41(図ではダ個)□設けられ、゛過−のシ
ールドガスを放出するようになっている。
This Niraguru 8#i is connected to the control means 20, and is connected to the high pressure gas source GS1 via the control valve 1.
Shielding gas is supplied into the space 7. Konoya),
, 1 alre, □, □. There are 7, carbon dioxide gas (CO2)
A seal 9 is provided between the upper part of the inner flash shield 6 and the collet l, and the shield f is provided above the collet l. Preventing leakage of %AIs @' t f
(c) Several 41 (in the figure, 2) cuts are provided at the tip of the flash shield 6 in contact with the base material 4, so as to release excess shielding gas.

内側フラッシュシールド6の周囲には別め外側フラッシ
ュシールド12が、丙(IIフラッシュシールド6の先
端部を囲むように設けられそおシ、内部フラッシュシー
ルドロとの間に第2空間13を形成している。この外側
フラッシュシールド12にiその上方にシールドース供
給通路としてのニラプール14が設iられている。この
ニップルi4は制−手投!OK接続されておh1制御弁
v2 を介して高圧ガス源Q32が接続され、第2′g
!間13には通路15を介してニップル14−1)=ら
のシールドガスが一人される。このシールドガスは第1
空間7に供給された不活性ガスと同じでよく、岸ってニ
ップル8へ接続されるガス源G81 ト二yfyv14
へ接続されるガス源Gs2′とを共通にしてもよい、し
かし、制御弁v1とv2とはそれぞれ独立に制御さ−れ
る門外側フラッシュシールド12のT[には、シールド
ガスの流出のためめ間11116が形成されている。′
一 本発明においては、第1空間7へのシールドガスの導入
と外側の第コ空間13べのシールドガスへの導入とを制
御する手段20が・設け□られている。
A separate outer flash shield 12 is provided around the inner flash shield 6 so as to surround the tip of the second flash shield 6, and forms a second space 13 between the inner flash shield 6 and the inner flash shield 6. Above this outer flash shield 12, a nila pool 14 is provided as a shield dose supply passage.This nipple i4 is connected to the control valve h1 and is connected to a high pressure gas source via the h1 control valve v2. Q32 is connected and the second 'g
! A shielding gas such as a nipple 14-1) is supplied to the gap 13 through a passage 15. This shielding gas is the first
The gas source G81 may be the same as the inert gas supplied to space 7 and is connected to nipple 8 on the shore.
However, the control valves v1 and v2 are each independently controlled. A gap 11116 is formed. ′
In the present invention, a means 20 for controlling the introduction of the shielding gas into the first space 7 and the introduction of the shielding gas into the outer space 13 is provided.

この手段は、制御弁■1及びv2ヲ制御する回路として
実現さ゛れ得る。この制m回路の動作について、第3図
を参照しながら説明する。コレット1の先端にT形スタ
ッド2を保持してこれを母材4に押し付けた後、先ず制
御弁v1  を開いて第1空間7ヘシールドガスが供給
される。この供給は02〜03秒間続けられ、その供給
の遮断直後、制御弁v2 を開放して外側の第コ空間1
3ヘシールドがスが供給される。この供給は07〜02
秒間維持し、その間に溶接電流が流れ、溶接が行なわれ
る。
This means can be realized as a circuit that controls the control valves 1 and v2. The operation of this m-control circuit will be explained with reference to FIG. After holding the T-shaped stud 2 at the tip of the collet 1 and pressing it against the base material 4, the control valve v1 is first opened to supply shield gas to the first space 7. This supply continues for 02 to 03 seconds, and immediately after the supply is cut off, the control valve v2 is opened and the outer space 1
3 Heshield is supplied with su. This supply is from 07 to 02
The welding current is maintained for several seconds, during which time the welding current flows and welding is performed.

第ダ図に、上記した1g御回路の1例を示す。An example of the above-mentioned 1g control circuit is shown in FIG.

溶接信号を受けたタイミング制御器TCは、モノマルチ
MMI Kパルスを送シ、所定時間幅(θコ〜a3秒)
を有するパルスを作シドライバD1  を介して電磁制
御弁v1  を所定時間だけ開放する。
Upon receiving the welding signal, the timing controller TC sends a mono-multi MMI K pulse for a predetermined time width (θ~a3 seconds).
The electromagnetic control valve v1 is opened for a predetermined period of time via the driver D1.

その・母ルスの後縁をタイ攬ング制御器TCが検知して
モノマルチMM2に/母ルスを送F)、0.INo、2
秒間程度の幅を有するノ々ルスを作ってドライバ01を
介して電磁制御弁v2  を所定時間開放する。これと
同時にタイミング制御器TCはモノマルチMM5ヘノ母
ルスを送シ、所定時間幅のパルスを作り、この・ヤルス
溶接電流供給回路を作動させ、溶接を行なう。
The tie-trapping controller TC detects the trailing edge of the mother lass and sends it to the monomulti MM2 F), 0. INo, 2
The solenoid control valve v2 is opened for a predetermined time via the driver 01 by creating a nozzle having a width of about seconds. At the same time, the timing controller TC sends a mono-multi MM5 pulse, creates a pulse with a predetermined time width, activates this welding current supply circuit, and performs welding.

本実施例では、被溶接部材としてT形スタッドが用いら
れ九が、他のスタッドでもよく、更にスタッド以外のも
のであってもよい6例えばMIG溶接、TIG溶接の自
動溶接機等に応用する場合には、第1空間、第コ空間へ
のシールドガスの供給は、溶接作業中行なう必要がある
が、アークの状態を安定させることができ、また、溶接
部の酸化をより確実に防止できることがら溶着効率を向
上させることができる。
In this embodiment, a T-shaped stud is used as the member to be welded, but other studs may be used, or even something other than studs may be used.For example, when applied to automatic welding machines for MIG welding, TIG welding, etc. Although it is necessary to supply shielding gas to the first space and the second space during welding work, it is possible to stabilize the arc condition and more reliably prevent oxidation of the weld zone. Welding efficiency can be improved.

本発明によれば、被溶接部材周囲の第1空間の外周に第
コ空間が設けられ、各空間にはそれぞれ独立にシールド
ガスが導入されることから、外側の第コシールドガスが
内側の溶接空間のシールドガスの多量の漏れを防止して
おり、このためフラッシュシールドと母材との接触面に
おけるスノ母ツタの付着がなくなり、またこのスフ9ツ
タ金属の酸化が防止される。また溶接中において、第1
空間へのシールドガスの導入を停止することができ、こ
れによればアーク炎の乱れがなく、このため確実で良好
な溶接が得られる。
According to the present invention, the first co-space is provided on the outer periphery of the first space around the workpiece, and shielding gas is introduced into each space independently, so that the outer co-shielding gas is used for the inner welding. This prevents a large amount of shielding gas from leaking out of the space, which eliminates the adhesion of snow ivy on the contact surface between the flash shield and the base metal, and also prevents the oxidation of this grass ivy metal. Also, during welding, the first
The introduction of the shielding gas into the space can be stopped, which prevents the arc flame from being disturbed, resulting in reliable and good welding.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明による溶接機の先端部を示す側断面図、
第一図は□第7図の溶接機の先端の正面図、第3図は制
御回路のタイミングチャージ、第を図は制御手段となる
制御回路の7例を示す回路図である。 1°−1コレツト、2 * * a aスタッド、4 
、、、、母材、5・・・・フラッシュシールド%6@1
1611内側フラッシュシールド、7.、、、第1空間
、8.14 、、、、シールドガス供給通路にツプル)
、9.−、シール、12、、、、外側フラッシュシール
ド、13.、、、外側C)第2空間、! O、、、、制
’l1手段、Vi 、V2 、、、、、。 制御弁、GSl、Ga4 、 、 、 、 、 、ガス
源、TC、、、、タイミング制御器、MMl、MM2 
、MM5 、、、、モノマルチ、Dl、D2.、、、、
ドライバ。
FIG. 1 is a side sectional view showing the tip of a welding machine according to the present invention;
Fig. 1 is a front view of the tip of the welding machine shown in Fig. 7, Fig. 3 is a timing charge of the control circuit, and Fig. 3 is a circuit diagram showing seven examples of the control circuit serving as the control means. 1°-1 collect, 2 * * a a stud, 4
,,,,Base material, 5...Flash shield%6@1
1611 inner flash shield, 7. ,,,First space,8.14 ,,,Tupuru to shield gas supply passage)
,9. -, Seal, 12, ..., Outer flash shield, 13. ,,,outside C) second space,! O,..., control'l1 means, Vi, V2,... Control valve, GSl, Ga4, , , , , , Gas source, TC, , Timing controller, MMl, MM2
, MM5 , , Monomulti, Dl, D2. ,,,,
driver.

Claims (1)

【特許請求の範囲】[Claims] 溶IN!部を7ラツシユシールドで囲み第7空間を形成
するとと4にこの7ラツシユシールドの外周を別のフラ
ッシュシールドで囲んで第コ空間を形成し、両空間の各
々に対しシールドガス供給をそれぞれ独立して制御しう
るシーl&lPfス供給遍路を設は良ことを特徴とする
シールドガスな用いるS*機。
Melt IN! 4, the outer periphery of the 7 lash shields is surrounded by another flash shield to form a 7th space, and shielding gas is supplied to each of both spaces. An S* machine using shield gas, characterized by the fact that it is possible to set up a shield gas supply route that can be controlled independently.
JP12977481A 1981-08-19 1981-08-19 Welding machine using shielding gas Granted JPS5832581A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12977481A JPS5832581A (en) 1981-08-19 1981-08-19 Welding machine using shielding gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12977481A JPS5832581A (en) 1981-08-19 1981-08-19 Welding machine using shielding gas

Publications (2)

Publication Number Publication Date
JPS5832581A true JPS5832581A (en) 1983-02-25
JPH038871B2 JPH038871B2 (en) 1991-02-07

Family

ID=15017872

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12977481A Granted JPS5832581A (en) 1981-08-19 1981-08-19 Welding machine using shielding gas

Country Status (1)

Country Link
JP (1) JPS5832581A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60174279A (en) * 1984-02-17 1985-09-07 Nippon Doraibuitsuto Kk Inert gas shielding device for arc stud welding
JPS60174281A (en) * 1984-02-17 1985-09-07 Nippon Doraibuitsuto Kk Device for controlling supply of inert gas for arc stud welding
JPS60174280A (en) * 1984-02-17 1985-09-07 Nippon Doraibuitsuto Kk Inert gas shielding device for arc stud welding

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5150838A (en) * 1974-10-31 1976-05-04 Kobe Steel Ltd GASUSHIIRUDOYOSETSUHOHO OYOBI SONOSOCHI

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5150838A (en) * 1974-10-31 1976-05-04 Kobe Steel Ltd GASUSHIIRUDOYOSETSUHOHO OYOBI SONOSOCHI

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60174279A (en) * 1984-02-17 1985-09-07 Nippon Doraibuitsuto Kk Inert gas shielding device for arc stud welding
JPS60174281A (en) * 1984-02-17 1985-09-07 Nippon Doraibuitsuto Kk Device for controlling supply of inert gas for arc stud welding
JPS60174280A (en) * 1984-02-17 1985-09-07 Nippon Doraibuitsuto Kk Inert gas shielding device for arc stud welding
JPH0478398B2 (en) * 1984-02-17 1992-12-11 Japan Drive It
JPH0478397B2 (en) * 1984-02-17 1992-12-11 Japan Drive It
JPH0516946B2 (en) * 1984-02-17 1993-03-05 Japan Drive It

Also Published As

Publication number Publication date
JPH038871B2 (en) 1991-02-07

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